#bottom_flash { background: #fff; width: 280px; height: 131px; margin: 0 auto; overflow: hidden; }
#bottom_flash_1 ul li img { width: 280px; height: 131px;}
ul, li { list-style: none; padding: 0; margin: 0; }
li { float: left;}
#bottom_flash_1 { width:280px; float: left; }